/* 修改 */
.header {
  height: 50px;
  line-height: 50px;
  background-color: #4294ff;
  color: #fff;
  text-align: center;
}
.header .icon-back {
  position: absolute;
  left: 0px;
  padding: 0 10px;
}
.submit-btn {
  position: fixed;
  width: 90%;
  margin-left: 5%;
  bottom: 50px;
  background-color: #4294ff;
}
